emmc: dts: add gpio control for vcc_flash

Change-Id: I04200c6ef6fb02452cd35eba5d1d4562909e4b0e
Reviewed-on: https://tp-biosrd-v02/gerrit/80144
Reviewed-by: Alex Cheng(鄭富元) <Alex_Cheng@asus.com>
Tested-by: Alex Cheng(鄭富元) <Alex_Cheng@asus.com>

Author: alex3788

arch/arm/boot/dts/rk3288-miniarm.dts

@@ -115,6 +115,8 @@
 	io-domains {
 		compatible = "rockchip,rk3288-io-voltage-domain";
 		rockchip,grf = <&grf>;
+		flash0-supply = <&vcc_flash>;
+		gpio30-supply = <&vcc_io>;
 		wifi-supply = <&vcc_18>;
 		sdcard-supply = <&vccio_sd>;
 	};
@@ -212,6 +214,14 @@
 		vin-supply = <&vcc_io>;
 	};
 
+	vcc_flash: flash-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_flash";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vcc_io>;
+	};
+
 	vdd_log: vdd_log {
 		compatible = "regulator-fixed";
 		regulator-min-microvolt = <1000000>;

arch/arm/boot/dts/rk3288.dtsi

@@ -347,7 +347,7 @@
 		fifo-depth = <0x100>;
 		interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
 		reg = <0x0 0xff0f0000 0x0 0x4000>;
-		status = "disabled";
+		status = "okay";
 		supports-emmc;
 	};